Home / 31,767.16-43,838.94-17,620.24

Finding the Fourth Proportional to 31,767.16, 43,838.94 and 17,620.24

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Solution

The fourth proportional to 31,767.16, 43,838.94 and 17,620.24 is: 24,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.16 : 43,838.94 = 17,620.24 : x
  2. Step 2: Convert to fraction form
    31,767.16/43,838.94 = 17,620.24/x
  3. Step 3: Cross multiply
    31,767.16x = 43,838.94 × 17,620.24
  4. Step 4: Simplify right side
    31,767.16x = 772,452,644.15
  5. Step 5: Solve for x
    x = 772,452,644.15/31,767.16
  6. Step 6: Final answer
    x = 24,316.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.